Description
The Carrier HK02ZA402 is an OEM high pressure switch designed to protect Carrier refrigeration and air conditioning systems from damaging high-pressure conditions. When system pressure exceeds safe operating limits, this switch interrupts the circuit to safeguard the compressor and associated components from costly failures.
Product Overview
Engineered as a direct OEM replacement for compatible Carrier equipment, the HK02ZA402 delivers reliable, consistent performance. Its rated cut-out and cut-in pressures ensure the refrigerant circuit is monitored and protected at all times, making it an essential safety component in any properly maintained HVAC system.
Key Features
- OEM Carrier replacement high pressure switch
- Rated cut-out pressure: 610 PSI
- Rated cut-in (reset) pressure: 420 PSI
- Protects compressor and refrigerant circuit from over-pressure conditions
- Direct drop-in replacement for compatible Carrier systems
- Designed for reliable, long-term performance in residential and light commercial applications
Specifications
- SKU: HK02ZA402
- Brand: Carrier
- Cut-Out Pressure: 610 PSI
- Cut-In (Reset) Pressure: 420 PSI
- Type: High Pressure Switch
- Application: Carrier HVAC / Refrigeration Systems
Application
This high pressure switch is intended for use in Carrier air conditioning and heat pump systems where the original switch requires replacement. Always verify compatibility with your specific Carrier model before installation. Consult your equipment service manual for proper installation procedures and safety precautions.







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